电话号码管理系统，很小的程序，是学习stl，自己编的，用map实现，还有文档说明-Telephone number management system, small procedures, are studying stl, own, and with map implementation, there is documentation

C语言编写的一个教学管理系统，可以模拟查询学生的成绩，排名等-C language written in a teaching management system, students can simulate the query results, rankings, etc.

顾客用餐信息管理系统，可以实现增删改查功能-Customers dine information management system that can achieve CRUD functions